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The collapse pressure of numerical model pipes composed of metal-composite is evaluated by means of using cylindrical rings of unit length. The models were developed within the framework of the software Solidworks Simulation Premium (2012). The rings are comprised of an inner layer of aluminum (metal) and also an external layer of composite material made of fiber glass and epoxy resin. The aluminum layer is modeled as an elastic-plastic and isotropic-hardening material. The outer layer of composite material is modeled as a linear-elastic orthotropic material. Geometric imperfections in a form of ovalization are incorporated into the models. The effect of adhesion between the layers is simulated numerically considering two-contact conditions on the interface: perfect adhesion and non-adhesion. The results are compared with experimental ones.

Análise numérica da pressão de colapso de anéis cilíndricos compostos com carregamento de pressão externa